Sean Zheng

Age: 12 years old
Age Category: 11-12
Team: Blue Dolfins | Florida Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Blue Dolfins

Florida Swimming

Southern Zone

USA

Free 50 Y

33.26

09/27/2025

B: 32.79 (+0.47s | 1.4%)

342

1,000+

Free 100 Y

1:16.99

Analysis

12/04/2025

B: 1:11.49 (+5.50s | 7.1%)

365

1,000+

50 Free

36.78

100 Free

40.21

1:16.99

100 Free

1:16.99

Back 50 Y

41.25

10/25/2025

B: 38.49 (+2.76s | 6.7%)

335

1,000+

Back 100 Y

1:33.73

Analysis

09/27/2025

B: 1:22.19 (+11.54s | 12.3%)

341

1,000+

50 Back

45.02

100 Back

48.71

1:33.73

100 Back

1:33.73

Breast 50 Y

45.84

07/26/2025

B: 43.49 (+2.35s | 5.1%)

304

1,000+

Breast 100 Y

1:38.41

Analysis

09/27/2025

B: 1:32.59 (+5.82s | 5.9%)

253

1,000+

50 Breast

45.69

100 Breast

52.72

1:38.41

100 Breast

1:38.41

Fly 50 Y

42.42

10/25/2025

B: 37.09 (+5.33s | 12.6%)

348

1,000+

Fly 100 Y

1:48.25

Analysis

10/27/2024

B: 1:22.89 (+25.36s | 23.4%)

247

1,000+

50 Fly

49.15

100 Fly

59.10

1:48.25

100 Fly

1:48.25

IM 100 Y

1:27.94

Analysis

02/28/2026

B: 1:21.89 (+6.05s | 6.9%)

295

1,000+

50 IM

42.46

100 IM

45.48

1:27.94

100 IM

1:27.94

IM 200 Y

3:11.98

Analysis

12/04/2025

B: 2:59.29 (+12.69s | 6.6%)

241

1,000+

50 Fly

46.93

100 Back

47.14

1:34.07

100 IM

1:34.07

150 Breast

55.69

2:29.76

200 Free

42.22

3:11.98

100 IM

1:37.91

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Blue Dolfins

Florida Swimming

Southern Zone

USA

Free 50 M

38.11

04/11/2026

B: 37.39 (+0.72s | 1.9%)

334

738

1,000+

Free 100 M

1:23.93

Analysis

05/15/2026

B: 1:22.09 (+1.84s | 2.2%)

271

634

1,000+

50 Free

39.81

100 Free

44.12

1:23.93

100 Free

1:23.93

Free 200 M

3:12.75

Analysis

04/11/2026

B: 2:59.19 (+13.56s | 7.0%)

256

573

1,000+

Back 50 M

46.22

05/15/2026

B: 44.49 (+1.73s | 3.7%)

244

566

1,000+

Back 100 M

1:42.05

Analysis

05/16/2025

B: 1:37.19 (+4.86s | 4.8%)

230

536

1,000+

50 Back

51.43

100 Back

50.62

1:42.05

100 Back

1:42.05

Breast 50 M

51.30

04/11/2026

B: 49.79 (+1.51s | 2.9%)

247

504

1,000+

Breast 100 M

1:52.79

Analysis

05/15/2026

B: 1:47.79 (+5.00s | 4.4%)

208

449

1,000+

50 Breast

52.55

100 Breast

1:00.24

1:52.79

100 Breast

1:52.79

Fly 50 M

50.19

05/15/2026

B: 41.99 (+8.20s | 16.3%)

297

644

1,000+

IM 200 M

3:37.21

Analysis

04/11/2026

B: 3:24.39 (+12.82s | 5.9%)

209

422

1,000+

Above are the fastest times that Sean Zheng has achieved in his swimming career. For each event, you can find Sean's best time, the corresponding time standard, as well as how much faster Sean needs to be to reach the next level. The last columns provide Sean rankings at the team and LSC levels. These rankings are based on the Sean's personal best, his current age category, and team; and are calculated from all the meets results.

Time Standards

Got the currrent age group time standard
Time standard for the next age group and the gap to reach it
Got the next age group’s time standard.

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	33.26	22.19 (+11.07s \| 33.3%)	21.29 (+11.97s \| 36.0%)	21.29 (+11.97s \| 36.0%)	20.59 (+12.67s \| 38.1%)	20.09 (+13.17s \| 39.6%)	20.39 (+12.87s \| 38.7%)	27.49 (+5.77s \| 17.3%)
Free 100 Y	1:16.99	48.19 (+28.80s \| 37.4%)	46.39 (+30.60s \| 39.7%)	46.39 (+30.60s \| 39.7%)	45.09 (+31.90s \| 41.4%)	43.49 (+33.50s \| 43.5%)	44.39 (+32.60s \| 42.3%)	59.29 (+17.70s \| 23.0%)
Back 50 Y	41.25	N/A	N/A	N/A	N/A	N/A	N/A	31.89 (+9.36s \| 22.7%)
Back 100 Y	1:33.73	53.89 (+39.84s \| 42.5%)	51.49 (+42.24s \| 45.1%)	51.49 (+42.24s \| 45.1%)	49.39 (+44.34s \| 47.3%)	47.59 (+46.14s \| 49.2%)	48.89 (+44.84s \| 47.8%)	1:07.49 (+26.24s \| 28.0%)
Breast 50 Y	45.84	N/A	N/A	N/A	N/A	N/A	N/A	35.49 (+10.35s \| 22.6%)
Breast 100 Y	1:38.41	1:00.89 (+37.52s \| 38.1%)	57.99 (+40.42s \| 41.1%)	57.99 (+40.42s \| 41.1%)	55.89 (+42.52s \| 43.2%)	54.19 (+44.22s \| 44.9%)	55.29 (+43.12s \| 43.8%)	1:15.89 (+22.52s \| 22.9%)
Fly 50 Y	42.42	N/A	N/A	N/A	N/A	N/A	N/A	30.49 (+11.93s \| 28.1%)
Fly 100 Y	1:48.25	52.89 (+55.36s \| 51.1%)	50.59 (+57.66s \| 53.3%)	50.59 (+57.66s \| 53.3%)	48.99 (+59.26s \| 54.7%)	47.79 (+60.46s \| 55.9%)	48.39 (+59.86s \| 55.3%)	1:07.09 (+41.16s \| 38.0%)
IM 100 Y	1:27.94	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09 (+19.85s \| 22.6%)
IM 200 Y	3:11.98	1:58.19 (+73.79s \| 38.4%)	1:53.89 (+78.09s \| 40.7%)	1:53.89 (+78.09s \| 40.7%)	1:50.09 (+81.89s \| 42.7%)	1:46.39 (+85.59s \| 44.6%)	1:48.89 (+83.09s \| 43.3%)	2:27.09 (+44.89s \| 23.4%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	38.11	25.89 (+12.22s \| 32.1%)	24.59 (+13.52s \| 35.5%)	24.59 (+13.52s \| 35.5%)	24.29 (+13.82s \| 36.3%)	23.39 (+14.72s \| 38.6%)	23.79 (+14.32s \| 37.6%)	31.49 (+6.62s \| 17.4%)
Free 100 M	1:23.93	56.09 (+27.84s \| 33.2%)	53.59 (+30.34s \| 36.1%)	53.59 (+30.34s \| 36.1%)	52.59 (+31.34s \| 37.3%)	50.99 (+32.94s \| 39.2%)	51.99 (+31.94s \| 38.1%)	1:07.49 (+16.44s \| 19.6%)
Free 200 M	3:12.75	2:03.09 (+69.66s \| 36.1%)	1:57.79 (+74.96s \| 38.9%)	1:57.79 (+74.96s \| 38.9%)	1:55.49 (+77.26s \| 40.1%)	1:52.19 (+80.56s \| 41.8%)	1:54.09 (+78.66s \| 40.8%)	2:26.99 (+45.76s \| 23.7%)
Back 50 M	46.22	N/A	N/A	N/A	N/A	N/A	N/A	36.79 (+9.43s \| 20.4%)
Back 100 M	1:42.05	1:03.29 (+38.76s \| 38.0%)	1:00.59 (+41.46s \| 40.6%)	1:00.59 (+41.46s \| 40.6%)	58.89 (+43.16s \| 42.3%)	57.29 (+44.76s \| 43.9%)	58.19 (+43.86s \| 43.0%)	1:18.49 (+23.56s \| 23.1%)
Breast 50 M	51.30	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+10.91s \| 21.3%)
Breast 100 M	1:52.79	1:11.29 (+41.50s \| 36.8%)	1:08.19 (+44.60s \| 39.5%)	1:08.19 (+44.60s \| 39.5%)	1:06.59 (+46.20s \| 41.0%)	1:04.09 (+48.70s \| 43.2%)	1:05.29 (+47.50s \| 42.1%)	1:27.69 (+25.10s \| 22.3%)
Fly 50 M	50.19	N/A	N/A	N/A	N/A	N/A	N/A	34.39 (+15.80s \| 31.5%)
IM 200 M	3:37.21	2:18.39 (+78.82s \| 36.3%)	2:12.79 (+84.42s \| 38.9%)	2:12.79 (+84.42s \| 38.9%)	2:09.59 (+87.62s \| 40.3%)	2:05.79 (+91.42s \| 42.1%)	2:08.19 (+89.02s \| 41.0%)	2:48.19 (+49.02s \| 22.6%)

Progression

See how Sean Zheng is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Sean's time to another swimmer's and even view their profile for more information about them.

Select the distance and stroke

Compare with another swimmer

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Meets

See all the meets Sean Zheng has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Sean's time, the progress against Sean's best time, the corresponding time standard, as well as how much faster Sean needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 PA Long Course Invite

05/15/2026

Altamonte Springs

100 M Breast

1:52.79

-0.14s (New PB)

B: 1:47.79 (+5.00s | 4.4%)

50 Breast

52.55

100 Breast

1:00.24

1:52.79

100 Breast

1:52.79

50 M Back

46.22

-2.20s (New PB)

B: 44.49 (+1.73s | 3.7%)

100 M Free

1:23.93

-1.44s (New PB)

B: 1:22.09 (+1.84s | 2.2%)

50 Free

39.81

100 Free

44.12

1:23.93

100 Free

1:23.93

50 M Fly

50.19

-3.29s (New PB)

B: 41.99 (+8.20s | 16.3%)

2026 Ron Nardozzi Pre Derby Sprint Invite C

04/11/2026

Orlando

200 M Free

3:12.75

B: 2:59.19 (+13.56s | 7.0%)

50 M Fly

53.48

-1.42s (New PB)

B: 41.99 (+11.49s | 21.5%)

50 M Back

48.42

-1.19s (New PB)

B: 44.49 (+3.93s | 8.1%)

50 M Breast

51.30

-0.42s (New PB)

B: 49.79 (+1.51s | 2.9%)

200 M IM

3:37.21

-4.69s (New PB)

B: 3:24.39 (+12.82s | 5.9%)

100 M Free

1:25.37

-1.29s (New PB)

B: 1:22.09 (+3.28s | 3.8%)

100 M Breast

1:52.93

-6.18s (New PB)

B: 1:47.79 (+5.14s | 4.6%)

50 M Free

38.11

-0.56s (New PB)

B: 37.39 (+0.72s | 1.9%)

2026 Spring Area 2 Championships

02/28/2026

Altamonte Springs

100 Y Breast

1:38.58

+0.17s

B: 1:32.59 (+5.99s | 6.1%)

50 Breast

46.46

100 Breast

52.12

1:38.58

100 Breast

1:38.58

100 Y IM

1:27.94

-0.98s (New PB)

B: 1:21.89 (+6.05s | 6.9%)

50 IM

42.46

100 IM

45.48

1:27.94

100 IM

1:27.94

50 Y Free

34.41

+1.15s

B: 32.79 (+1.62s | 4.7%)

50 Y Back

42.34

+1.09s

B: 38.49 (+3.85s | 9.1%)

RAFC Winter Classic

12/04/2025

Orlando

50 Y Breast

46.69

+0.85s

B: 43.49 (+3.20s | 6.9%)

200 Y IM

3:11.98

-5.53s (New PB)

B: 2:59.29 (+12.69s | 6.6%)

50 Fly

46.93

100 Back

47.14

1:34.07

100 IM

1:34.07

150 Breast

55.69

2:29.76

200 Free

42.22

3:11.98

100 IM

1:37.91

100 Y Free

1:16.99

-1.15s (New PB)

B: 1:11.49 (+5.50s | 7.1%)

50 Free

36.78

100 Free

40.21

1:16.99

100 Free

1:16.99

2025 Halloween Spooktacular

10/25/2025

Oviedo

50 Y Free

33.33

+0.07s

B: 32.79 (+0.54s | 1.6%)

50 Y Breast

45.97

+0.13s

B: 43.49 (+2.48s | 5.4%)

50 Y Back

41.25

-1.45s (New PB)

B: 38.49 (+2.76s | 6.7%)

100 Y IM

1:28.92

-0.30s (New PB)

B: 1:21.89 (+7.03s | 7.9%)

50 IM

42.60

100 IM

46.32

1:28.92

100 IM

1:28.92

50 Y Fly

42.42

-0.73s (New PB)

B: 37.09 (+5.33s | 12.6%)

2025 Elizabeth Kazeck Fall Sprint

09/27/2025

Orlando

50 Y Back

43.29

+0.59s

B: 38.49 (+4.80s | 11.1%)

100 Y IM

1:29.22

-1.90s (New PB)

B: 1:21.89 (+7.33s | 8.2%)

50 IM

43.44

100 IM

45.78

1:29.22

100 IM

1:29.22

100 Y Breast

1:38.41

-2.28s (New PB)

B: 1:32.59 (+5.82s | 5.9%)

50 Breast

45.69

100 Breast

52.72

1:38.41

100 Breast

1:38.41

50 Y Breast

46.31

+0.47s

B: 43.49 (+2.82s | 6.1%)

100 Y Free

1:18.14

-2.66s (New PB)

B: 1:11.49 (+6.65s | 8.5%)

50 Free

37.53

100 Free

40.61

1:18.14

100 Free

1:18.14

100 Y Back

1:33.73

-2.56s (New PB)

B: 1:22.19 (+11.54s | 12.3%)

50 Back

45.02

100 Back

48.71

1:33.73

100 Back

1:33.73

50 Y Fly

45.03

+1.88s

B: 37.09 (+7.94s | 17.6%)

50 Y Free

33.26

-2.16s (New PB)

B: 32.79 (+0.47s | 1.4%)

BD End Of Summer 2025 Invitational

07/26/2025

Winter Park

50 Y Breast

45.84

-1.68s (New PB)

B: 43.49 (+2.35s | 5.1%)

100 Y IM

1:31.62

+0.50s

B: 1:21.89 (+9.73s | 10.6%)

50 IM

46.12

100 IM

45.50

1:31.62

100 IM

1:31.62

50 Y Back

44.34

+1.64s

B: 38.49 (+5.85s | 13.2%)

50 Y Fly

43.15

-0.92s (New PB)

B: 37.09 (+6.06s | 14.0%)

50 Y Free

36.24

+0.82s

B: 32.79 (+3.45s | 9.5%)

2025 PA Long Course Invite

05/16/2025

Altamonte Springs

50 M Free

38.67

-2.15s (New PB)

B: 37.39 (+1.28s | 3.3%)

50 M Breast

51.72

-2.92s (New PB)

B: 49.79 (+1.93s | 3.7%)

100 M Back

1:42.05

-2.37s (New PB)

B: 1:37.19 (+4.86s | 4.8%)

50 Back

51.43

100 Back

50.62

1:42.05

100 Back

1:42.05

2025 Ron Nardozzi Pre Derby Sprint Invite

04/26/2025

Orlando

50 M Free

40.82

B: 37.39 (+3.43s | 8.4%)

100 M Back

1:44.42

B: 1:37.19 (+7.23s | 6.9%)

100 M Free

1:26.66

B: 1:22.09 (+4.57s | 5.3%)

50 M Back

49.61

B: 44.49 (+5.12s | 10.3%)

100 M Breast

1:59.11

B: 1:47.79 (+11.32s | 9.5%)

50 M Fly

54.90

B: 41.99 (+12.91s | 23.5%)

50 M Breast

54.64

B: 49.79 (+4.85s | 8.9%)

200 M IM

3:41.90

B: 3:24.39 (+17.51s | 7.9%)

2025 Spring Area 2 Championships

03/01/2025

Orlando

100 Y IM

1:33.22

+2.10s

BB: 1:29.69 (+3.53s | 3.8%)

50 IM

46.00

100 IM

47.22

1:33.22

100 IM

1:33.22

100 Y Breast

1:40.69

-4.03s (New PB)

A: 1:30.59 (+10.10s | 10.0%)

50 Breast

49.06

100 Breast

51.63

1:40.69

100 Breast

1:40.69

50 Y Free

35.87

+0.45s

BB: 34.59 (+1.28s | 3.6%)

2025 PA Sweetheart Special

02/15/2025

Altamonte Springs

50 Y Breast

48.93

+1.41s

BB: 47.69 (+1.24s | 2.5%)

100 Y Breast

1:46.03

+1.31s

BB: 1:42.29 (+3.74s | 3.5%)

50 Breast

49.72

100 Breast

56.31

1:46.03

100 Breast

1:46.03

100 Y Free

1:20.80

-1.42s (New PB)

BB: 1:18.89 (+1.91s | 2.4%)

50 Free

38.39

100 Free

42.41

1:20.80

100 Free

1:20.80

50 Y Back

42.70

-1.16s (New PB)

A: 37.59 (+5.11s | 12.0%)

50 Y Free

38.35

+2.93s

B: 38.19 (+0.16s | 0.4%)

50 Y Fly

45.61

+1.54s

BB: 41.29 (+4.32s | 9.5%)

200 Y IM

3:17.51

BB: 3:15.99 (+1.52s | 0.8%)

50 Fly

48.56

100 Back

48.68

1:37.24

100 IM

1:37.24

150 Breast

57.09

2:34.33

200 Free

43.18

3:17.51

100 IM

1:40.27

Hydro Winter Open

01/31/2025

Ormond Beach

100 Y Free

1:25.07

+2.85s

BB: 1:18.89 (+6.18s | 7.3%)

100 Y Breast

1:44.72

-2.05s (New PB)

BB: 1:42.29 (+2.43s | 2.3%)

100 Y Back

1:37.30

+1.01s

BB: 1:30.09 (+7.21s | 7.4%)

50 Y Fly

45.23

+1.16s

BB: 41.29 (+3.94s | 8.7%)

2024 BD Holiday Invite

12/14/2024

Winter Park

50 Y Fly

45.59

+1.52s

BB: 41.29 (+4.30s | 9.4%)

50 Y Breast

48.87

+1.35s

BB: 47.69 (+1.18s | 2.4%)

50 Y Free

35.42

-0.28s (New PB)

BB: 34.59 (+0.83s | 2.3%)

100 Y IM

1:33.37

+2.25s

BB: 1:29.69 (+3.68s | 3.9%)

50 IM

45.54

100 IM

47.83

1:33.37

100 IM

1:33.37

50 Y Back

46.54

+2.68s

BB: 42.89 (+3.65s | 7.8%)

2024 Patriot Aquatics Winter Invite

11/15/2024

Altamonte Springs

50 Y Free

36.80

+1.10s

BB: 34.59 (+2.21s | 6.0%)

100 Y IM

1:31.12

-7.57s (New PB)

BB: 1:29.69 (+1.43s | 1.6%)

50 IM

44.10

100 IM

47.02

1:31.12

100 IM

1:31.12

100 Y Breast

1:46.88

+0.11s

BB: 1:42.29 (+4.59s | 4.3%)

50 Breast

50.43

100 Breast

56.45

1:46.88

100 Breast

1:46.88

50 Y Fly

44.07

-4.84s (New PB)

BB: 41.29 (+2.78s | 6.3%)

100 Y Free

1:22.22

-5.75s (New PB)

BB: 1:18.89 (+3.33s | 4.1%)

50 Free

39.19

100 Free

43.03

1:22.22

100 Free

1:22.22

100 Y Back

1:37.92

+1.63s

BB: 1:30.09 (+7.83s | 8.0%)

50 Back

49.56

100 Back

48.36

1:37.92

100 Back

1:37.92

50 Y Back

45.03

+1.17s

BB: 42.89 (+2.14s | 4.8%)

50 Y Breast

49.93

+2.41s

BB: 47.69 (+2.24s | 4.5%)

2024 Halloween Spooktacular

10/27/2024

Oviedo

50 Y Back

43.86

-4.61s (New PB)

BB: 42.89 (+0.97s | 2.2%)

100 Y Fly

1:48.25

BB: 1:38.99 (+9.26s | 8.6%)

50 Fly

49.15

100 Fly

59.10

1:48.25

100 Fly

1:48.25

50 Y Free

35.70

-2.15s (New PB)

BB: 34.59 (+1.11s | 3.1%)

50 Y Breast

47.52

-2.62s (New PB)

A: 42.09 (+5.43s | 11.4%)

2024 Elizabeth Kazeck Fall Sprint

09/28/2024

Orlando

50 Y Free

37.85

BB: 34.59 (+3.26s | 8.6%)

50 Y Breast

50.14

BB: 47.69 (+2.45s | 4.9%)

100 Y Back

1:36.29

BB: 1:30.09 (+6.20s | 6.4%)

50 Back

48.14

100 Back

48.15

1:36.29

100 Back

1:36.29

100 Y Free

1:27.97

BB: 1:18.89 (+9.08s | 10.3%)

50 Free

42.55

100 Free

45.42

1:27.97

100 Free

1:27.97

100 Y Breast

1:46.77

BB: 1:42.29 (+4.48s | 4.2%)

50 Breast

50.64

100 Breast

56.13

1:46.77

100 Breast

1:46.77

50 Y Fly

48.91

B: 46.49 (+2.42s | 4.9%)

50 Y Back

48.47

B: 48.29 (+0.18s | 0.4%)

100 Y IM

1:38.69

BB: 1:29.69 (+9.00s | 9.1%)

50 IM

47.45

100 IM

51.24

1:38.69

100 IM

1:38.69

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